Final answer:
The response explains that 'Weapon focus' is not an estimator variable in eyewitness identification errors, contrasting it with factors like stress and trauma, poor viewing conditions, and cross-racial identification.
Explanation:
Weapon focus is not an estimator variable in eyewitness identification errors. Estimator variables are factors that can influence eyewitness accuracy, such as stress and trauma, poor viewing conditions, and cross-racial identification. For example, cross-racial identification is a common factor contributing to eyewitness misidentifications, highlighting the significance of considering race in witness testimony scenarios.
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